GNSS Module Series
LC29H(AA,BA,CA,DA,EA)_EVB_User_Guide 12 / 24
3.2.
Board User Interfaces
The EVB interfaces are detailed in the table below.
Table 2: Detailed EVB Interfaces
Function
Interfaces
Description
Power Supply
J102
Micro-USB
Power supply input:
⚫
DC power supply: 4.5
–5.5 V, typ. 5.0 V
⚫
Current capability should be > 200 mA
User Interface
J102
Micro-USB
Used for standard NMEA messages output,
binary data input and output, PAIR/PQTM
commands input and output, and firmware
upgrade.
RF input
J401
Active Antenna Connector
The antenna in the Kit supports:
⚫
GPS L1 C/A and L5
⚫
QZSS L1 C/A and L5
⚫
Galileo E1 and E5a
⚫
GLONASS L1
⚫
BeiDou B1I and B2a
⚫
SBAS L1
Signal indication
D305
TXD Indication LED
(Blue LED)
Flashing: The module is turned on successfully.
NMEA messages are output from
UART TXD pin.
Extinct: Failed to turn on the module.
D306
1PPS Indication LED
(Red LED)
Flashing: Successful position fix.
Frequency: 1 Hz.
Extinct: No position fix.
Switches and Buttons
S201
Power Switch
Powers the EVB on/off.
J101
USB Switch
Keep it on the USB side.
S302
RESET_GNSS Button
Short press on the button to reset the module.
Test Points
J301
Test Points
Pins are detailed in
Table 3
below.
